Combing-machine.



' J. E. KEELEY.

GOMBING MACHINE.

APPLICATION FILED MAY 24, 1911.

1,087,780. Patented Feb. 17, 1914.

JAMES E. KEELEY, OF HILLSGROVE, RHODE ISLAND,

JOHN B. LIVSEY AND ONE-THIRD T CHAR-LES GROVE, RHODE ISLAND.

ASSIGNOR OF ONE-THIRD TO LAWRENCE, BOTH 0F HILLS- COMBING-MACHINE Specification of Letters Patent.

Application filed May 24., 1911.

Patented Feb. 17, 1914. Serial No, 629,153.

To all whom it may concern Be it known that 1, James E. KEELEY, a citizen of the United States, residing at l iillsgrove, in the county of Kent and State of Rhode island, have invented a new and useful l'n'iproveinent in combinglilachines, of which the following is a specification.

This invention has reference to an impi-oven'icnt in machines for combing cotton and similar fiber.

In this class of combing machines the prepared sliver or lap is fed down the incline conductor between the fluted or feed roll and the pressure roll of the nippers. During the ordinary opera tion of the machine the lap or sliver often breaks between the rolls and the nipper and winds on the fluted or feed roll, thus increasing the diameter of the feed roll, forcing back the pivoted cradle and forcing the nipper down on the half lap, breaking the needles of the half lap and often breaking the nipper stands, causing loss of production and expense in re pairing the same.

The object, of this invention to prevent the nippers from being forced down and to arrest the rotation of the feed roll, thus preventing the breaking of the needles of the half lap, as will be more fully described hereinafter and pointed out in the claims.

Figure 1 is a view, partly in section, of one of the nipper stands, the cradle and other operative parts of a combing machine. Fig, 2 is a longitudinal View, showing the stand, the cradle, the feed roll, the pressure roll, and other parts of a con'ibing machine. Fig. 3 is a side view of the end frame, showing the driving gear, the driven gear, and the bearing for the same, and Fig. 4!: is a perspective view of the stop.

In the drawings, 1 indicates the side frames of a section of a combing machine, 3 the feed roll. and 2 the top roll. The feed roll 3 usually forms part of or is secured to the shaft 41-. This shaft is supported by the liiearings I, 6 and 7. The bearings 5 and 6 have no top or cover, while the bearing '7 located on the side frame 1 has a top piece 8. T hi s top piece 8 is held in position by the spring 9 surr unding the bolt 10 and hearing on the top piece 8. The shaft 4: carries the gear 11 which under normal condition is in mesh with the power gear 12 by means of which rotary motion is imparted to the shaft l. and the top roll 2.

The top roll 2 is journaled in the saddles 1 which are pivotally supported on the side frames 1-1. The saddles 13, 13 are provided with the studs 14, 14 on which the coiled springs 15 are secured. The opposite end of the coiled springs 15 are adjustably secured to the brackets 16. By reason of the coiled springs 15 the top roll 2 is held under spring tension in contact with the lap passing between the dri\ on feed roll and the top roll. The nipper knife 17 carried by the nipper arm 18 which is caused to reciprocate by reason of the arms 19 and rod 20 in the usual. nninner. To the inside of the nipper arm 18 .l secure a stop formed with the upwardly-extending portion 22 in which is provided the oblong hole 23 the stop having a beveled surface 24-. The stop is secured to the nipper arm by means of a, screw 2? pas ing through the hole 23, so that if for any reason it is desirable to remove the top roll the screw may be loosened snliiciently to permit of the stop being moved upward out of the way of the top roll saddle.

As shown in Fig. it the nipper knife is in its lowest position, that is, in the act of nipping the lap to permit of the half laps acting upon the lap. b

As is well known in the art, the cradle or nipper-franie 26 is supported on pivots, such as are shown for instance, in Patent No 734,052, issued July 28, 1993, to (l. S. Ainsworth and id. rlnderton, for the purpose of permitting the cradle to give slightly, when there is an excess of lift by the rod 20. By this means, when there is an accumulation of the lap on roll 3, the action will be to lift the roll 2, thus depressing the cradle, since the roll 2 is carried by the cradle, and as the nipper knife is limited in its downward movement by the stop contacting with the arms 13, of the top roll, the action of the rod 20 will be to slightly tip the cradle or nipper frame and by reason of the nipper knife being prevented by the stop from desccndinn' its full movement, the bottom edge of the nipper knife will not come in contact with the half lap and so the needles of the same will not be broken and as the lap continues to wind on the driven roll the shaft of the roll will be gradually lifted until the gear on the same is out of mesh with the driving gear and no more lap will be wound on the roll 2 for the reason that it has ceased to revolve.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. In a machine of the character described, in combination with the top roll, the nipper arm and nipper knife carried by said arm, means actuated by the top roll upon breaking of the lap to limit the downward movement of the nipper knife.

2. In a machine of the character described, in combination with the pivoted nipper frame, the feed roll and the nipper knife thereof, means whereby the knife is limited in its movement when the frame is rocked by the accumulation of lap on said roll.

3. In combination with the pivoted nipper frame, having a top roll, a feed roll, a nipper arm and a nipper knife carried by the arm, a stop on said arm, and means whereby when an accumulation of lap on the feed roll occurs and same lifts the top roll and rocks the frame, said stop will limit the downward movement of the knife.

t. In combination with the feed roll, a top roll engaging the feed roll, a pivoted nipper frame having a nipper arm and a nipper knife'carried by said arm, a spring pressed bearing for the feed roll, a stop adjustably carried by said arm, and means actuated by one of said rolls to engage the stop to limit the movement of same and thereby the movement of the arm and knife upon rocking of the nipper frame.

5. In combination with the feed roll, a top roll engaging the feed roll, a pivoted nipper frame having a nipper arm and a nipper knife carried by said arm, a spring pressed bearing for the feed roil, a stop adjustably carried by said arm, and having a beveled face, and means actuated by one of said rolls to engage said beveled face of the stop to limit the movement of the same and thereby the movement of the arm and knife upon rocking of the nipper frame.

6. In combination with the nipper knife and feed roll of a combing machine, means for limiting the downward movement of said knife when a wind-up occurs on said roll.

In testimony whereof I hve signed my name to this specification in the presence of two subscribing witnesses.

JAMES E. KEELEY.

lVitnesses Ana E. Haas-arr, J. A. h hLLnR.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, I). C. 

